66 | Technical Supportw w w . d e l l . c o m | s u p p o r t . d e l l . c o mContacting the Technical Assistance CenterRequesting a Hardware ReplacementTo request replacement hardware, follow these steps:How to Contact Dell Force10TACLog in to iSupport at www.force10networks.com/support/, and select the Service Requesttab.Information to Submit WhenOpening a Support Case• Your name, company name, phone number, and E-mail address• Preferred method of contact• Model number• Serial Number (see Locating E300 Serial Numbers on page 67)• Software version number• Symptom description• Screen shots illustrating the symptom, including any error messages. These can include:• Output from the show tech command or the show tech linecard {number}command• Output from the show trace command or the show trace linecard {number}command• Console captures showing the error messages• Console captures showing the troubleshooting steps taken• Saved messages to a syslog server, if one is usedManaging Your Case Log in to iSupport, and select the Service Request tab to view all open cases and RMAs.Download Software Updates Log in to iSupport, and select the Software Center tab.Technical Documentation Log in to iSupport, and select the Documents tab. This page can be accessed withoutlogging in via the Documentation link on the iSupport page.Contact Information E-mail: support@force10networks.comWeb: www.force10networks.com/support/Telephone:US and Canada: 866.965.5800International: 408.965.5800Step Task1 Determine the part number and serial number of the component. To list the numbers for all components installed inthe chassis, use the show inventory command.NOTE: The serial number for fan trays and AC power supplies will not appear in the hardware inventorylisting. Check the failed component for the attached serial number label, as described next (see Locating E300 SerialNumbers on page 67 ).